12 Days of Christmas
23rd23rd
57th
24 Game
57th
99 Bottles of Beer
24th39th
39th
Abundant Numbers
80th
21st57th
51st
Abundant Numbers (Long)
28th
Arabic to Roman
17th94th
89th
Arithmetic Numbers
114th
Arrows
34th
80th
Ascending Primes
64th
ASCII Table
58th
Billiards
49th
brainfuck
127th
178th
Card Number Validation
59th
Catalan Numbers
1st
1st
Catalan’s Constant
7th
74th
Christmas Trees
19th
84th
Collatz
194th
CSS Colors
107th
187th
Cubes
6th5th
14th
Day of Week
198th
DFA Simulator
89th
Diamonds
31st17th
16th37th
120th40th
Divisors
29th30th
1st
Emirp Numbers
102nd
139th
Emirp Numbers (Long)
31st
Emojify
22nd84th
182nd
Evil Numbers
90th
331st
Evil Numbers (Long)
234th
Factorial Factorisation
40th
Farey Sequence
121st
Fibonacci
220th
52nd1st
152nd
Fizz Buzz
267th
165th1st
81st54th
Foo Fizz Buzz Bar
202nd
1st
Forsyth–Edwards Notation
52nd
Fractions
85th
174th
Game of Life
86th
Gijswijt’s Sequence
80th
Happy Numbers
40th29th31st
205th
Happy Numbers (Long)
22nd
85th
Hexdump
71st
Intersection
36th
59th
Inventory Sequence
106th
ISBN
44th
89th
Jacobi Symbol
91st
Kaprekar Numbers
51st
Kolakoski Constant
10th49th
101st
Kolakoski Sequence
21st59th
146th
Leap Years
147th
51st
Levenshtein Distance
22nd
80th
Leyland Numbers
22nd
154th
ln 2
61st
Look and Say
72nd
146th
Lucky Numbers
17th
76th
Lucky Tickets
12th39th
106th
Mahjong
39th
Maze
94th
Medal Tally
58th
Morse Decoder
14th51st
133rd
Morse Encoder
16th48th
115th
Musical Chords
70th
N Queens
61st
Niven Numbers
1st
36th
Niven Numbers (Long)
177th
Number Spiral
44th
99th
Odious Numbers
87th
244th
Odious Numbers (Long)
148th
Ordinal Numbers
20th56th
82nd
PalindromemordnilaP
67th
Pangram Grep
84th
9th
1st
Partition Numbers
58th
Pascal’s Triangle
23rd
185th
Pernicious Numbers
80th
47th79th
179th
Pernicious Numbers (Long)
200th
Poker
31st
Polyominoes
61st
Prime Numbers
32nd105th
147th
Prime Numbers (Long)
48th
Proximity Grid
46th
Quine
190th1st25th101st
25th30th112th
67th
Recamán
39th
14th42nd
88th
Repeating Decimals
62nd
Reverse Polish Notation
186th
Rijndael S-box
93rd
Rock-paper-scissors-Spock-lizard
8th61st
32nd
Roman to Arabic
17th65th
104th
ROT13
79th
Rule 110
33rd
86th
Scrambled Sort
51st
Set
49th
Seven Segment
64th
150th
SI Units
61st
Sierpiński Triangle
60th
121st
Smith Numbers
146th
Spelling Numbers
5th12th
34th
Star Wars Opening Crawl
5th22nd
70th
Sudoku
7th
32nd
Sudoku (Fill-in)
9th
Tic-tac-toe
75th
Time Distance
30th
40th
Tongue-twisters
20th94th
124th
Transpose Sentence
111th
United States
74th
106th
Vampire Numbers
14th26th
77th
Van Eck Sequence
19th25th
30th
Zeckendorf Representation
81st
Zodiac Signs
59th
γ
38th
λ
12th
89th
π
17th
127th
τ
18th
111th
φ
20th
169th
√2
21st
1st
𝑒
16th
1st